Article Optical anisotropy in laterally aligned W6Te6 nanowire bundles

Ryusuke Natsui ORCID ; Nguyen Tuan Hung ORCID ; Desman Perdamaian Gulo ORCID ; Keana Rylie Pasoquen ORCID ; Muhammad Shoufie Ukhtary ORCID ; Hsiang-Lin Liu ORCID ; Riichiro Saito ORCID ; Yasumitsu Miyata ORCID

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Ryusuke Natsui, Nguyen Tuan Hung, Desman Perdamaian Gulo, Keana Rylie Pasoquen, Muhammad Shoufie Ukhtary, Hsiang-Lin Liu, Riichiro Saito, Yasumitsu Miyata. Optical anisotropy in laterally aligned W6Te6 nanowire bundles. Applied Physics Letters. 2025, 127 (15), 151907. https://doi.org/10.1063/5.0290512

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(abstract)

We report optical anisotropy in laterally aligned bundles of metallic W₆Te₆ nanowires, grown on a-plane sapphire substrates by chemical vapor deposition. Mueller-matrix sSpectroscopic ellipsometry reveals strong directional dependence in absorption (dichroism) and refraction (birefringence) along and across the nanowire axis. These experimental observations are qualitatively supported by first-principles calculations and consideration of depolarization effects. Our findings establish W6Te6 as a model system for studying light-matter interactions in anisotropic metallic nanostructures, and demonstrate its potential for polarization-sensitive photonic and optoelectronic applications.

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  • In Copyright

    This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Ryusuke Natsui, Nguyen Tuan Hung, Desman Perdamaian Gulo, Keana Rylie Pasoquen, Muhammad Shoufie Ukhtary, Hsiang-Lin Liu, Riichiro Saito, Yasumitsu Miyata; Optical anisotropy in laterally aligned W6Te6 nanowire bundles. Appl. Phys. Lett. 13 October 2025; 127 (15): 151907 and may be found at https://doi.org/10.1063/5.0290512.

Keyword: Optical anisotropy W6Te6 nanowire

Date published: 2025-10-13

Publisher: AIP Publishing

Journal:

  • Applied Physics Letters (ISSN: 00036951) vol. 127 issue. 15 151907

Funding:

  • Japan Society for the Promotion of Science JP24KJ1874
  • Japan Society for the Promotion of Science JP21H05232
  • Japan Society for the Promotion of Science JP21H05234
  • Japan Society for the Promotion of Science JP22H00283
  • Japan Society for the Promotion of Science JP24H00044
  • Fusion Oriented REsearch for disruptive Science and Technology JPMJFR213X
  • National Science and Technology Council NSTC 113-2112-M-003-002

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5969

First published URL: https://doi.org/10.1063/5.0290512

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Updated at: 2025-12-09 16:30:04 +0900

Published on MDR: 2025-12-09 12:30:34 +0900

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